... Cards: 1) Material: art paper, special paper, silver foil card paper, paper board, cardboard, glitters, ribbons, buttons, musical chips ... size 3) Packaging: OPP bag, with envelope, or paper card 4) Color Printing: CYMK printing, 4C color printing, or ... ) Surface finishing: gloss lamination, matt lamination, varnishing, UV coating, spot UV, silver hot stamped, gold foil, embossed, debossed, glitters, ...